201912205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 270748800

約数和(自身を除く): 68836595

約数列:

[1, 5, 11, 55, 67, 157, 335, 349, 737, 785, 1727, 1745, 3685, 3839, 8635, 10519, 19195, 23383, 52595, 54793, 115709, 116915, 257213, 273965, 578545, 602723, 1286065, 3013615, 3671131, 18355655, 40382441, 201912205]

約数ペア:

[(1, 201912205), (5, 40382441), (11, 18355655), (55, 3671131), (67, 3013615), (157, 1286065), (335, 602723), (349, 578545), (737, 273965), (785, 257213), (1727, 116915), (1745, 115709), (3685, 54793), (3839, 52595), (8635, 23383), (10519, 19195)]